U.S. Air Force Chief Master Sgt. Daniel Simpson, the 18th Air Force command chief, delivers a speech at the University Club in Tampa, Fla., Jan. 31, 2020. Simpson visited MacDill Air Force Base, Fla., and served as the keynote speaker for MacDill’s Chief Master Sgt. Induction Ceremony. (U.S. Air Force photo by Airman 1st Class Shannon Bowman)